On November 3, 2021 2:09 PM, Gerd Hoffmann wrote: > > +++ b/UefiCpuPkg/Library/MpInitLib/X64/IntelTdcall.nasm > > @@ -0,0 +1,120 @@ > > +;-------------------------------------------------------------------- > > +---------- > > +;* > > +;* Copyright (c) 2020 - 2021, Intel Corporation. All rights > > +reserved.<BR> > > +;* SPDX-License-Identifier: BSD-2-Clause-Patent > > +;* > > +;* > > +;-------------------------------------------------------------------- > > +---------- > > + > > +DEFAULT REL > > +SECTION .text > > + > > +%macro tdcall 0 > > + db 0x66,0x0f,0x01,0xcc > > +%endmacro > > Hmm, could you just use TdxLib instead of bringing your own copy of the > assembler code? > My initial thought was to include TdxLib in the .dsc as little as possible. For example, DxeMpInitLib is included in OvmfPkg/Microvm/MicrovmX64.dsc. If TdxLib is used by DxeMpInitLib, then it has to be included in MicrovmX64.dsc as well. So I copy the assemble code in MpInitLib. But now VmgExitLib is extended to handle #VE exception ( TdxLib must be used ), so TdxLib has to be included in the .dsc where VmgExitLib is included. I will update the MpInitLib to use TdxLib in the next version.
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